McCaskey, H. D. (1902). Platinum and associated rare metals in placer formations information for prospectors and placer miners. Bureau of Public Print.
芝加哥风格引文McCaskey, Hiram Dryer. Platinum and Associated Rare Metals in Placer Formations Information for Prospectors and Placer Miners. Manila: Bureau of Public Print, 1902.
MLA引文McCaskey, Hiram Dryer. Platinum and Associated Rare Metals in Placer Formations Information for Prospectors and Placer Miners. Bureau of Public Print, 1902.
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